--- loncom/interface/lonconfigsettings.pm	2023/04/13 15:21:00	1.69
+++ loncom/interface/lonconfigsettings.pm	2023/06/02 01:20:26	1.70
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: lonconfigsettings.pm,v 1.69 2023/04/13 15:21:00 raeburn Exp $
+# $Id: lonconfigsettings.pm,v 1.70 2023/06/02 01:20:26 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -346,7 +346,8 @@ $jscript
                                     $onload .= "toggleChgSecret(document.display,'$num','secret','linkprot');";
                                 }
                             }
-                            $onload .= "toggleLinkProtExtra(document.display,'returnurl','divurlparam','1','inline-block','$num');";
+                            $onload .= "toggleLinkProtExtra(document.display,'returnurl','divurlparam','1','inline-block','$num');".
+                                       "toggleLinkProtExtra(document.display,'passback','passbackparam','1','inline-block','$num');";
                             if ($ltiauth) {
                                 $onload .= "toggleLinkProtExtra(document.display,'requser','optional','1','block','$num');".
                                            "toggleLinkProtExtra(document.display,'mapuser','userfield','other','inline-block','$num');";